$A$ nerve impulse is defined as .........

Action potential is also termed as

The rate of rise of action potential and its amplitude are determined by the concentration of

Assertion $(A)$: The axonal membrane of the neuron is more permeable to sodium ion $(Na^+)$ and nearly impermeable to potassium $(K^+)$.
Reason $(R)$: In a resting state,a neuron does not conduct any impulse.

During the transmission of a nerve impulse,which of the following events occurs?

During the conduction of a nerve impulse along a neuron,what is the nature of the electrical charge on the inner side of the plasma membrane?